1,3-dihydroxy-2-naphthoic acid synthesis

2synthesis methods

Product Name:1,3-dihydroxy-2-naphthoic acid
CAS Number:3147-58-8
Molecular formula:C11H8O4
Molecular Weight:204.18

It is obtained by reacting ethyl 1,3-dihydroxy-2-naphthoic acid with barium hydroxide solution in dioxane, and then acidifying with sulfuric acid. The yield is 90%.

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Yield:-

Steps:

Multi-step reaction with 2 steps
1: sodium acetate
2: aq. barium hydroxide solution

References:

Metzner [Justus Liebigs Annalen der Chemie,1897,vol. 298,p. 379]

2-Naphthalenecarboxylic acid, 1,3-bis(acetyloxy)-, ethyl ester

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References